Ukrainian astronomers spotted a 1,350-foot asteroid that flew past Earth last month and suggested the massive chunk of space rock may slam into the planet in 19 years.

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The asteroid, dubbed 2013 TV135, passed by Earth from 4.2 million miles away — more than 15 times the distance between the planet and the moon — on Sept. 16, CNN reported.

But astronomers at the Crimean Astrophysical Observatory in southern Ukraine — where the asteroid was first seen — predicted a slim 1 in 63,000 chance 2013 TV135 will crash into the Earth on Aug. 26, 2032, RIA Novosti reported.

They predicted the devastating impact could be as powerful as 2,500 megatons of TNT, which is more than 50 times greater than the nuclear bomb detonated on Hiroshima during World War II.

A diagram shows the orbit of the asteroid, 2013 TV135 (in blue) — which has a 1-in-63,000 chance of hitting Earth in 2032. (NASA/JPL-Caltech)

Astronomers will have a better idea of the asteroid's trajectory by 2028, astronomers told the news agency.

However, NASA officials said the asteroid poses no particular threat.

The space agency told CNN that they are 99.998% certain that when the asteroid when it circles back, it will fly past Earth again.

Officials gave it a danger rating 1 out of 10 on the Torino Impact Hazard Scale, which measures the potential threat posed by asteroids.

Astronomers at the Crimean Astrophysical Observatory on Mount Koshka (the Cat) in southern Ukraine first spotted the asteroid. (Argenberg/via Flickr)

The 1 rating claims "no cause for public attention or concern."

NASA said in a statement that it also considers size when determining if an asteroid poses any threat.

"We believe anything larger than one to two kilometers (about 0.6 to 1.2 miles) could have worldwide effects," the statement read.

In February, a 150-foot asteroid — 2012 DA14 — zipped just 17,200 miles away from Earth.